Results 61 to 70 of about 827 (133)
MachinesModel-based fault diagnosis serves as a powerful technique for addressing fault detection and isolation issues in control systems. However, diagnosing faults in closed-loop control systems is more challenging due to their inherent robustness.
Yang Zhang +4 more
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MachinesElectro-hydraulic servo systems are widely used in industrial machinery and automation due to their high power density and fast dynamic response; however, their achievable positioning accuracy is often limited by nonlinear friction effects.
Phu Phung Pham +2 more
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Parallel Velocity Control of an Electro-Hydraulic Actuator With Dual Disturbance Observers
IEEE Access, 2019 In this paper, a nonlinear parallel control algorithm is developed for an electro-hydraulic actuator to achieve high velocity tracking performance and reduce energy consumption.
Mingjie Li +5 more
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IEEE AccessThe enormous throttling losses are the crucial reason for the low energy efficiency of non-road mobile machinery. To achieve energy saving, a parallel electro-hydraulic hybrid drivetrain that combines an electric-hydraulic energy recovery system with a ...
Tao Liang +4 more
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Pressure Control of Electro-Hydraulic Servovalve and Transmission Line Effect
Al-Khawarizmi Engineering Journal, 2013 The effected of the long transmission line (TL) between the actuator and the hydraulic control valve sometimes essentials. The study is concerned with modeling the TL which carries the oil from the electro-hydraulic servovalve to the actuator.
Ahmed Fouad Mahdi +3 more
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Simulation of the Electro-hydraulic Control of Wet Clutch Actuator
Jixie chuandong, 2015 To the problems of strong nonlinear,time delay and lower control accuracy of wet clutch actuator,an automobile automatic transmission with wet clutch actuator is studied,according to the characteristics of the wet clutch and control strategy requirement ...
Zhang Zengliang
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Position Control of Electro‐Hydraulic Actuator System With Disturbances Compensation
Energy Science & EngineeringThis paper proposes a new output feedback controller based on global fast terminal sliding mode with disturbances rejection to achieve accurate position tracking control for electro‐hydraulic cylinder system.
Yunfei Wang, Haigang Ding, Jiaxiang Man
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Optimized design and performance testing of hydraulic electrostatic actuator
International Journal of Smart and Nano MaterialsHydraulic electrostatic actuators have become a research hotspot for their inherent flexibility and safety of human-machine interaction. This paper aims to combine the characteristics of dielectric elastomers and fluid actuators, enhancing the dielectric
Yuze Ye +7 more
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Estimation of the clutch pressure basing on reduced order model of the hydraulic actuator system
Advances in Mechanical EngineeringThe precise control of corresponding clutch pressures is essential to the gearshift quality of vehicle transmissions. The electro-hydraulic clutch-actuator system is widely utilized by vehicle transmissions because of the character of fast response and ...
Hongchao Jian, Yanfei Ren, Hongtao Gu
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EngThe strong coupling of the six-degree-of-freedom (6-DoF) electro-hydraulic Stewart parallel mechanism manifests as adjusting the elongation of one actuator potentially inducing motion in multiple degrees of freedom of the platform, i.e., a change in pose;
Yigang Kong +5 more
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